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B2 Series
B2 Series
RECHARGEABLE LI-ION BATTERY SYSTEM
USER MANUAL
Tel: (86)20 66608588
Fax: (86)20 66608589
Web: www.saj-electric.com
B2-7.3-HV5
B2-14.6-HV5
GUANGZHOU SANJING ELECTRIC CO.,LTD
Add: SAJ Innovation Park,No.9, Lizhishan Road,Science City, Guangzhou High-tech Zone , Guangdong, P.R.China
{=2*{page}-1}
V0.3
B2-21.9-HV5
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Summary of Contents for SAJ B2 Series
- Page 1 B2 Series B2 Series RECHARGEABLE LI-ION BATTERY SYSTEM USER MANUAL Tel: (86)20 66608588 Fax: (86)20 66608589 Web: www.saj-electric.com B2-7.3-HV5 B2-14.6-HV5 GUANGZHOU SANJING ELECTRIC CO.,LTD Add: SAJ Innovation Park,No.9, Lizhishan Road,Science City, Guangzhou High-tech Zone , Guangdong, P.R.China {=2*{page}-1} V0.3 B2-21.9-HV5...
- Page 2 B2 Series Preface Thank you for choosing SAJ battery. We are pleased to provide you first-class products and exceptional service. This manual includes information for installation, operation, maintenance, trouble shooting and safety. Please follow the instructions of this manual so that we can ensure delivery of our professional guidance and wholehearted service.
- Page 3 B2 Series TABLE OF 4.2.2 Mounting Method ........................... 19 4.3 Mounting Procedure ..............................20 CONTENTS 4.3.1 Installation Tools ..........................20 4.3.2 Installation Location ........................21 4.3.2.1 Ground Mounting (To wall) ....................... 21 4.3.2.2 Wall Mounting (To wall) ......................24 1. SAFETY PRECAUTIONS ..........................1 4.3.2.3 Ground Mounting (To wood studs) ..................
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Page 4: Scope Of Application
B2 Series 1.1 Scope of Application This User Manual describes instructions and detailed procedures for installing, operating, maintaining, and troubleshooting of the following SAJ products: B2-7.3-HV5; B2-14.6-HV5; B2-21.9-HV5. 1.2 Safety Instructions DANGER · DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury. - Page 5 ·During installation of the battery B2 high voltage battery, circuit breaker must be disconnected from the battery pack wiring. ·The battery B2 can only be used as a set with SAJ's H2 high voltage series storage inverter, otherwise it cannot be used...
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Page 6: Explanations Of Symbols
B2 Series 2.2 Explanations of Symbols 2.3 Battery Handling Operate and use the battery properly according to user manual, any attempt to modify battery without the permission from SAJ will void the limit Symbol Description warranty for the battery. Dangerous electrical voltage •... - Page 7 B2 Series WARNING ·If a fire has just occurred, try to disconnect the battery circuit breaker, and cut off the power supply first, but only if you can do so without endangering yourself. ·If the battery is on fire, do not attempt to extinguish the fire but evacuate the crowd immediately.
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Page 8: Product Information
B2 Series 3.1 Application Scope of Products The B2 battery is applied to residential photovoltaic storage system. The battery is built internally with a battery management system (BMS), which is used to ensure efficiency of the battery and protect the battery from operating out of its specified limitations. -
Page 9: Overview Of Products
B2 Series 3.2 Specification for Product Model Wall Bracket（Optional Component） B2 – X.X – HV5 ① ② ③ ①B2 represents for product name. ②X.X represents rated energy XkWh of battery, for example, 7.3 means 7.3kWh. ③HV means high voltage. 3.3 Overview of Products Battery Module and Battery Control Unit Figure 3.3... -
Page 10: Data Sheet
B2 Series ·Position Name General Data Start button Ingress Protection IP65 Mounting Wall-Mounting / Ground-Mounting Circuit breaker Charging: 0℃ to 50℃ (32℉ to 122℉) BAT+ port (to inverter or for parallel connection) Operating Temperature Range Discharging: -20℃-50℃ (-4℉ to 122℉) -
Page 11: Unpacking And Inspection
4.1 Unpacking and Inspection 4.1.1 Checking the Package Although SAJ’s battery have thoroughly tested and checked before delivery, it is uncertain that the battery may suffer damages during transportation. Please check the package for any obvious signs of damage, and if such evidence is present, do not open the package and contact your dealer as soon as possible. - Page 12 B2 Series Please reserve enough clearance around the battery to ensure a good air circulation at the installation area. Because poor air ventilation will affect the working performance of internal electronic components and shorten 24in 20in 16in 12in 12in 16in...
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Page 13: Mounting Method
B2 Series 4.2.2 Mounting Method • Do not install the battery at a place where the temperature changes extremely. • Keep the battery away from children. • Do not install the battery at daily working or living arears, including but not limited to the following areas: bedroom, lounge, living room, study, toilet, bathroom, theater, and attic. -
Page 14: Installation Location
B2 Series 4.3.2 Installation Location 3.According to the hole positions shown in the figure below, mark the hole positions with a marker and drill t heholes of φ8 with an electric drill. The battery employs either ground mounting or wall mounting, and its position is determined by the drilled 33.07"... - Page 15 B2 Series 4.3.2.2 Wall Mounting (To wall) 5. Put the M6*80 expansion screw in the hole, and then tighten the screw with a socket wrench. Use four M5*12 screws to secure the battery module and base on both sides. 1. Place the wall bracket on the horizontal ground with a gradienter.
- Page 16 B2 Series 3 Secure the base with the wall bracket by M6*12 screws, and Put the M6*80 expansion screw in the hole, and 5 Place the battery module on the base with the pin of the base aligned with the holes at the bottom of the then tighten the screw with a socket wrench，and use the Level to make sure the surface of base is horizontal.
- Page 17 B2 Series 6 Put the M6*80 expansion screw in the hole, and then tighten the screw with a socket wrench. Use 4 M5*12 7. Install the rest battery modules correctly in this method. The installation steps of the battery control unit are screws to secure the battery module and base on both sides.
- Page 18 B2 Series 4.3.2.3 Ground Mounting (To wood studs) The user chooses the appropriate installation size according to his own wood studs. The following uses the 16inch installation as an example: The user chooses the bracket installation distance according to the distance between their own bearing solid 1.
- Page 19 B2 Series 3. According to the dimension of the battery module, mark the position of the battery mounting plates on the 5. Place the battery module on the base with the pin of the base aligned with the holes at the bottom of the wood studs, and use an electric hammer to drill six φ8mm holes at the 16-inch position (Each battery module...
- Page 20 B2 Series 7. Install the rest battery modules correctly in this method. The installation steps of the battery control unit are similar in which four M5*12 screws are used to tighten the control unit (The control unit has two M5*12 screws on each side).
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Page 21: Electrical Connection
B2 Series 5.1 Additional Grounding Cable Electrical connection must only be operated by professional technicians. Before connection, necessary Installation finished Installation finished protective equipment must be employed by technicians, including insulating gloves, insulating shoes and safety helmet. WARNING · Connect this additional grounding cable before other electrical connection. - Page 22 B2 Series 5.2 Connecting Control Unit to Battery, Battery to Battery The following figure shows the grounding of the control unit. Note: There is no need for additional grounding between the battery pack and the control unit. The battery Connect the control unit to the battery and the battery to the battery port as shown in the figure below.
- Page 23 B2 Series 5.3 Conduit installation (For North America) Non-parallel situation: Step 1: Use a rubber mallet to knock the metal sheet off the hole. Operator should use the conduits and plugs with standard size which must fit with the holes on the right side Step 2: Connect Battery cable (red，8AWG) to BAT1+, Battery cable (black，8AWG) to BAT1-,...
- Page 24 B2 Series 5.4 Connecting Battery to Inverter Parallel situation: Step 1: Use a rubber mallet to knock the metal sheet off the hole. 5.4.1 Single-Cluster Battery Connection Step 2: Connect Battery cable (red，8AWG) to BAT1+, Battery cable (black，8AWG) to BAT1-, Step 1: Connect battery control unit BAT1 + to inverter BAT+ and BAT1- to inverter BAT-.
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Page 25: Communication Interface
B2 Series 5.4.2 Multi-cluster Battery Connection 5.5 Communication Interface Please follow the following diagram to connect battery and inverter. Note: when the connection contains over Note: 1) The communication cable is one end crimped, this crimped end is for battery side connection. The two clusters of batteries, the multi-cluster battery connection accessory package is needed. - Page 26 B2 Series 6.1 Start Up and Shut Down the Battery 6.1.1 Start Up Step 1 (For North America): Unlock with key. Outside North America can ignore step 1 and start with step 2. Step 2: Loosen the screw. Step 3: Open the waterproof cover of the circuit breaker.
- Page 27 B2 Series 6.1.2 Shut Down 6.2 Introduction of HMI (Human Machine Interface) Step 1: Press and hold the Power switch for 5s, until the display is off. System commissioning Step 2: Open the waterproof cover of the circuit breaker. After the wiring is completed, please refer to the inverter manual for system commission and operation.
- Page 28 B2 Series 6.3 Commissioning Please refer to inverter manual for eSAJ home APP download and system commissioning. Please select SAJ for battery brand. Figure 5.4 Selecting the battery brand...
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Page 29: Battery Maintenance
The battery cannot be disposed of as household refuse. When the service life of the battery reaches to the limit, it is not required to return it to the dealer or SAJ, but it must be recycled to the special waste lithium... -
Page 30: Maintenance
B2 Series battery recycling station in the area. •Check the switch gear and battery module for damage, paint peeling, oxidation, etc. 7.3 Maintenance ◼ Wire and cable layout Before any operation, ensure all internal devices of the battery module are powered off. -
Page 31: Troubleshooting & Warranty
B2 Series Troubleshooting Code Error Name Common Cause Remedy 1. Communication error between battery control unit and battery module 1. Check if communication BMS internal cable is connected properly 2. Did not install RJ45 plug, therefore communication error battery control unit counted the number 2. - Page 32 Warranty 1. Circuit breaker is open Circuit breaker is open Replace circuit breaker 2. Circuit breaker auxiliary contact error Please go to SAJ website for warranty conditions and terms Temperature 1. Temperature sensor error 1. Check if temperature sensor https://www.saj-electric.com/...
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